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Bonny Doon, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Bonny Doon, a community in Santa Cruz County, California.

This Afternoon
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 74 in the afternoon. Northwest wind around 6 mph.

7-day forecast for Bonny Doon

WhenTempForecastWindPrecip
This Afternoon 76°F Sunny 6 mph NW 0%
Tonight 57°F Mostly Clear 1 to 5 mph NNW 0%
Saturday 74°F Sunny 0 to 5 mph WNW 0%
Saturday Night 58°F Partly Cloudy 3 mph NW 0%
Sunday 69°F Partly Sunny 1 to 5 mph NW 3%
Sunday Night 58°F Mostly Cloudy 0 to 5 mph NW 3%
Monday 68°F Mostly Sunny 0 to 3 mph WNW 1%
Monday Night 57°F Partly Cloudy 2 mph NW 0%
Tuesday 73°F Mostly Sunny 2 mph W 0%
Tuesday Night 60°F Mostly Clear 2 mph NW 0%
Wednesday 83°F Sunny 2 mph W 0%
Wednesday Night 66°F Mostly Clear 1 mph NW 0%
Thursday 84°F Sunny 2 mph W 0%
Thursday Night 65°F Mostly Clear 0 mph 0%

Forecast source: National Weather Service (api.weather.gov) for Bonny Doon (37.044, -122.137). Updated through the day.

Growing snapshot for Bonny Doon

Last spring frost
Jan 29
First fall frost
Dec 13
Growing season
323 days
Hardiness zone
9b

More local growing data for Bonny Doon: nearby ZIP 95060 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Santa Cruz, Ca (5.5 mi from Bonny Doon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.